Best year time to visit McHenry

General weather information about McHenry

Average annual temperature is 20.8 °C

Absolute maximum temperature: 40.7 °C

Absolute minimum temperature: -0.9 °C

Number of sunny days: 152 days

Number of rainy days: 213 days

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* Weather data for McHenry United States is based on climate observations for 2026 year

McHenry air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)23.827.528.529.233.137.437.840.735.733.127.525.2
Average daytime temperature (°C)18.820.822.825.129.533.035.238.033.427.420.617.4
Average temperature (°C)13.615.417.319.423.226.728.530.626.720.915.112.2
Average night temperature (°C)9.811.913.415.218.622.124.325.721.916.211.18.1
Absolute minimum temperature (°C)0.51.4-0.98.612.819.121.921.118.99.02.50.8

McHenry monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.411.112.012.913.714.113.913.212.411.410.610.2
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.010.010.010.0
Sunshine mean duration (h)6.87.18.78.910.611.211.511.910.99.76.77.8
Precipitation (mm)13712812312312213914038295211285
Sunny days14911109291710201922
Rainy days17192020222822142011119
Snow days000000000000

McHenry - weather forecast by months

McHenry weather in januaryMcHenry weather in februaryMcHenry weather in marchMcHenry weather in aprilMcHenry weather in mayMcHenry weather in juneMcHenry weather in julyMcHenry weather in augustMcHenry weather in septemberMcHenry weather in octoberMcHenry weather in novemberMcHenry weather in december

Best time to visit McHenry:

The best time to visit McHenry during the most sunny months:

  • August — 11.9(h)

The largest precipitation sum in McHenry is at

  • January — 137(mm)
  • June — 139(mm)
  • July — 140(mm)

    • Weather forecast in the closest to McHenry admin centers

    Weather forecast in the closest towns to McHenry

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    Frequently asked questions

    When is the best time to visit McHenry?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit McHenry.
    What is the weather like in McHenry?
    See average temperature, rainfall and daylight hours for McHenry by month in the table above.
    How many sunny days does McHenry have?
    The monthly weather statistics above show sunshine and rainfall patterns for McHenry throughout the year.